[Freeswitch-users] text to speech IVRs and MOH

[Saeed Ahmad]

Thanks guys for a detailed reply specially pete.

On Tue, May 19, 2009 at 7:31 PM, Peter P GMX <Prometheus001 at gmx.net> wrote:

> Thanks for this overwiev.
>
> One question: How does this compare to Cepstral TTS?
>
> Best regards
> Peter
>
> pete at privateconnect.com schrieb:
>  > I've spent the last 2-3 months on researching TTS and ASR for FS for a
> > project.  Best TTS depends on what you consider important.  Also, how
> > do you plan on using it.
> >
> > Here's some of the TTS engines I've run across with some pros/cons:
> >
> > Festivate Lite (flite)
> > Pros:
> > - Free (comes with FS)
> > - simple to use
> > - 16K voice sounds decent
> > - Completely customizable
> > Cons:
> > - 8K voice sounds horrible over cell phone
> >
> > NeoSpeech (VoiceWare) (around $300/port for 1 voice + $75 each addl
> voice)
> > Pros:
> > - My selection for best soundig voices
> > - Recently select by Stephen Hawkings for his voice (geek points!)
> > - Lots of Languages supported
> > - Free trial available
> > Cons:
> > - Custom C-Based API (FS interface coming soon)
> > - Large file size (Engine + SDK + 1 Voice = 900MB)
> > - Support is lacking (Company beed in Korean, time zone issues, etc)
> >
> > Nuance ($500/port for 1 voice)
> > Pros:
> > - Wide Variety of Products
> > - Support MRCP
> > - Supports ASR as well (add'l fees)
> > - Excellent support
> > - Free trial
> > - Decent sounding voices at 8K and 16K
> > - Wide range of tuning parameters
> > Cons:
> > - Pricey
> > - Limited voice selection
> > - Limited support for 64-bit linux
> >
> > AT&T (NaturalVoice) (no pricing info available)
> > Pros:
> > - Big company (solid in marketplace)
> > - Good suppport (user and developer)
> > - ASP model means no software to maintain
> > Cons:
> > - ASP model incurs delay
> > - Voices sound too digitized
> > - Limited support for 64-bit linux
> >
> > Loquendo ($500/port for 1 voice + 15% addl voice)
> > Pros:
> > - Good sounding voices (almost as good as NeoSpeech)
> > - Wide variety of languages
> > - Excellent support
> > - Has free 30 day trial
> > - Supports MRCP
> > - Support ASR and Voice Recognition as well. (add'l fees)
> > - Small footprint (< 150MB)
> > Cons:
> > - Pricey
> > - Complicated install process
> > - Limited management/tuning capabilities
> >
> > In the end, it was down to NeoSpeech or Loquendo for our application.
> >  We are currently running tests with NeoSpeech and assuming all goes
> > well, we will select them.  Though don't let that color your opinion
> > too much after several "focus groups" we discovered the most important
> > element in the equation is does your customer/boss like the sound of
> > the voices, and that is a completely subjective decision.
> >
> >
> > -pete
> >
> >     -------- Original Message --------
> >     Subject: [Freeswitch-users] text to speech IVRs and MOH
> >     From: Saeed Ahmad <saeedahmad1981 at gmail.com>
> >     Date: Tue, May 19, 2009 12:40 am
> >     To: freeswitch-users at lists.freeswitch.org
> >
> >     Hi all,
> >
> >     Could you guys recommend me any online text to speech IVR software
> >     which works OK with FS. i am using AT&T site and for some IVRs i
> >     get sample rate errors. Also some resource to download more MOH
> >     wav files.
> >
> >     Many thanks
> >
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